Dolphin clamp



FIG. 1 illustrates a top plan view of the dolphin clamp;

FIG. 2 illustrates a left side elevation view of the dolphin, the right side a mirror image thereof; and,

FIG. 3 illustrates a bottom view of the dolphin clamp;

FIG. 4 illustrates a front elevation view of the dolphin clamp; and,

FIG. 5 illustrates a rear elevation view of the dolphin clamp.

The broken lines in the figures depict portions of the dolphin clamp that form no part of the claimed design. 

CLAIM The ornamental design for a dolphin clamp, as shown and described. 